header{
    h1{
        top: 0;
        color: white;
    }
    .login{
        img{
            height: 80px;
            width: 80px;
            border-radius: 40px;
        }
    }
    .service{
        height: 60px;
        border-radius: 10px;
        .guarantee{
            text-align: center;
        }
    }    
}

main{
    .member{
        height: 50px;
        line-height: 50px;
        border-radius: 25px;
    }
    li{
        margin-top: 15px;
        margin-right: 20px;
        width: 55px;
        height: 55px;
        text-align: center;
    }
}